Home / 53,789,440.92-80,623,002.72-47,299,798.68

Finding the Fourth Proportional to 53,789,440.92, 80,623,002.72 and 47,299,798.68

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Solution

The fourth proportional to 53,789,440.92, 80,623,002.72 and 47,299,798.68 is: 70,895,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789,440.92 : 80,623,002.72 = 47,299,798.68 : x
  2. Step 2: Convert to fraction form
    53,789,440.92/80,623,002.72 = 47,299,798.68/x
  3. Step 3: Cross multiply
    53,789,440.92x = 80,623,002.72 × 47,299,798.68
  4. Step 4: Simplify right side
    53,789,440.92x = 3,813,451,797,633,092.50
  5. Step 5: Solve for x
    x = 3,813,451,797,633,092.50/53,789,440.92
  6. Step 6: Final answer
    x = 70,895,918.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.